On May 23, Shenzhen held a press conference on epidemic prevention and control. According to the Deputy Mayor of Shenzhen Municipal People’s Government, on May 21, Yantian Port conducted routine tests on international cargo ship operators and found an asymptomatic case. On May 22, during the investigation of key populations related to the asymptomatic case , another asymptomatic infection was discovered.
Until now, in addition to the above , two newly discovered asymptomatic infections have been found and all four have been isolated and are being treated at the Third Hospital of Shenzhen. All four participated in the operation of the same international freighter “Orient Vancouver” on May 17.